Anna uses

Anna uses 8.1 pints of white and blue paint to paint her bedroom walls. 4/5 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?
Express your answer in fraction and decimal form.
Solve on paper.

Correct answer:

b =  1.62 pt

Step-by-step explanation:

k1=4/5=54=0.8 k2=1k1=10.8=51=0.2  t=8.1 pt b+w=t  b=tw  b=k2 t=0.2 8.1=5081=1.62=5081 pt=1.62 pt   Verifying Solution:  w=k1 t=0.8 8.1=25162=6.48 pt T=w+b=6.48+1.62=1081=8.1 pt t=T



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Showing 1 comment:
Dr Math
Another similar question:

Francesca uses 7.2 pints of blue paint and white paint to paint her bedroom walls. 2/5 of this amount is blue paint, and the rest is white paint. How many pints of white paint did she use to paint her bedroom walls?

Q2:
Jessica uses 6.9 pints of blue paint and white paint to paint her bedroom walls. 3/5 of this amount is blue paint, and the rest is white paint. How many pints of white paint did she use to paint her bedroom walls?





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